It is a medical fund owned by people who participate in medical insurance. When the insured carries out certain medical activities, he may apply for using the medical pooling fund to pay medical expenses. Some designated pharmacies also support the use of medical pooling funds to purchase drugs. No one may misappropriate the medical pooling fund without authorization. Co-ordination payment of cooperative medical care means that after all medical expenses are deducted from self-funded expenses and expenses that need to be paid in advance, the remaining expenses are paid by the medical insurance co-ordination fund according to the reimbursement ratio, which is co-ordination payment.